USB534314I5 - - Google Patents

Info

Publication number
USB534314I5
USB534314I5 US53431474A USB534314I5 US B534314 I5 USB534314 I5 US B534314I5 US 53431474 A US53431474 A US 53431474A US B534314 I5 USB534314 I5 US B534314I5
Authority
US
United States
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to US05/534,314 priority Critical patent/US3981786A/en
Publication of USB534314I5 publication Critical patent/USB534314I5/en
Application granted granted Critical
Publication of US3981786A publication Critical patent/US3981786A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
    • B23H11/00—Auxiliary apparatus or details, not otherwise provided for
    • B23H11/003—Mounting of workpieces, e.g. working-tables
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
    • B23H7/00—Processes or apparatus applicable to both electrical discharge machining and electrochemical machining
    • B23H7/26—Apparatus for moving or positioning electrode relatively to workpiece; Mounting of electrode
    • B23H7/265—Mounting of one or more thin electrodes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
    • B23H9/00—Machining specially adapted for treating particular metal objects or for obtaining special effects or results on metal objects
    • B23H9/10—Working turbine blades or nozzles

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
US05/534,314 1974-12-19 1974-12-19 ECM and EDM tooling for producing holes in airfoil trailing edges Expired - Lifetime US3981786A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US05/534,314 US3981786A (en) 1974-12-19 1974-12-19 ECM and EDM tooling for producing holes in airfoil trailing edges

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/534,314 US3981786A (en) 1974-12-19 1974-12-19 ECM and EDM tooling for producing holes in airfoil trailing edges

Publications (2)

Publication Number Publication Date
USB534314I5 true USB534314I5 (en) 1976-02-10
US3981786A US3981786A (en) 1976-09-21

Family

ID=24129540

Family Applications (1)

Application Number Title Priority Date Filing Date
US05/534,314 Expired - Lifetime US3981786A (en) 1974-12-19 1974-12-19 ECM and EDM tooling for producing holes in airfoil trailing edges

Country Status (1)

Country Link
US (1) US3981786A (en)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1556441A (en) * 1975-03-15 1979-11-21 Amchem Co Ltd Cartridge for electrical discharge machining apparatus
GB1569561A (en) * 1975-10-15 1980-06-18 Amchem Co Ltd Electrical discharge machining apparatus
US4066377A (en) * 1976-03-11 1978-01-03 United Technologies Corporation Tool element placement means
US4187595A (en) * 1978-09-12 1980-02-12 The United States of Amrica as represented by the Secretary of the Air Force Method of fabricating nozzle blades for lasers
EP0145657B1 (en) * 1983-11-15 1988-04-20 Büchler B-SET AG Straightening device for the wire electrode of an electroerosion machine
US4808785A (en) * 1986-11-13 1989-02-28 Chromalloy Gas Turbine Corporation Method and apparatus for making diffused cooling holes in an airfoil
US4762464A (en) * 1986-11-13 1988-08-09 Chromalloy Gas Turbine Corporation Airfoil with diffused cooling holes and method and apparatus for making the same
US5605639A (en) * 1993-12-21 1997-02-25 United Technologies Corporation Method of producing diffusion holes in turbine components by a multiple piece electrode
US5418345A (en) * 1994-02-28 1995-05-23 United Technologies Corporation Method for forming shaped passages
FR2820066B1 (en) * 2001-02-01 2003-03-07 Snecma Moteurs DEVICE FOR CENTERING AND DRILLING FORMS AND CYLINDRICAL HOLES
US6671572B1 (en) * 2002-07-09 2003-12-30 Agile Technology Partners, Llc Method and computer program for automated design and manufacture of custom workholding fixtures requiring machining of substantially unique mounting geometries
US7378611B2 (en) * 2004-03-19 2008-05-27 General Electric Company Apparatus and method for electrical discharge machining
US20070060860A1 (en) * 2005-08-18 2007-03-15 Transcutaneous Technologies Inc. Iontophoresis device
US20090071163A1 (en) * 2007-04-30 2009-03-19 General Electric Company Systems and methods for installing cooling holes in a combustion liner
US20090314748A1 (en) * 2008-06-21 2009-12-24 United Technologies Corporation Ultrasonic assisted electrodischarge machining
US9687926B2 (en) * 2009-04-03 2017-06-27 United Technologies Corporation Trailing edge machining of a workpiece
FR2956996B1 (en) * 2010-03-05 2012-06-01 Snecma DEVICE FOR MAINTAINING A DAWN BY ITS BLADE DURING THE MACHINING OF ITS FOOT
US8710392B2 (en) * 2011-06-29 2014-04-29 United Technologies Corporation Electric discharge machining hole drilling
US10040131B2 (en) 2015-04-06 2018-08-07 Sikorsky Aircraft Corporation Composition hole pattern transfer tooling
US11014179B2 (en) * 2018-03-15 2021-05-25 Delavan Inc. Fixtures for additively manufactured workpieces
CN110385487B (en) * 2018-04-19 2021-08-31 通用电气公司 Electric discharge machining apparatus and method

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3801489A (en) * 1970-07-16 1974-04-02 Secr Defence Tool for electrolytic drilling of holes
US3803015A (en) * 1972-11-01 1974-04-09 United Aircraft Corp Electrochemical drilling
US3842480A (en) * 1973-06-28 1974-10-22 United Aircraft Corp Method of making guide for electrochemical drilling

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3801489A (en) * 1970-07-16 1974-04-02 Secr Defence Tool for electrolytic drilling of holes
US3803015A (en) * 1972-11-01 1974-04-09 United Aircraft Corp Electrochemical drilling
US3842480A (en) * 1973-06-28 1974-10-22 United Aircraft Corp Method of making guide for electrochemical drilling

Also Published As

Publication number Publication date
US3981786A (en) 1976-09-21

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